石墨烯
兴奋剂
材料科学
纳米技术
数码产品
光电子学
杂原子
硅
二极管
光伏
费米能级
化学
电气工程
光伏系统
物理
有机化学
戒指(化学)
物理化学
电子
工程类
量子力学
作者
Hoik Lee,Keewook Paeng,Ick Soo Kim
标识
DOI:10.1016/j.synthmet.2018.07.001
摘要
Graphene is one of the most promising materials for post-silicon electronics and has outstanding physical and electronic properties. In particular, its unique 2D sp2-hybridized networks of carbon atoms arranged in a honeycomb lattice make graphene potential for exceptional electronic quality. However, in order to use graphene in possible applications such as photodetector, photovoltaics, sensors, organic light-emitting diodes, organic thin-film transistors, supercapacitor, and catalytic applications, it is essential to precisely modulate its electronic properties, i.e. doping. In this review, we present various strategies for engineering the Fermi level in graphene, including heteroatom substitution, molecular adsorption, introducing functional molecules for external stimuli responsiveness. We anticipate that the current review provides a concise information on the methods to probe doping level, effective doping approaches, and achievable doping type and charge carrier concentration ranges so that an appropriate doping approach can be readily designed.
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